README.rdoc in chunky_png-0.8.0 vs README.rdoc in chunky_png-0.9.0

- old
+ new
@@ -17,13 +17,14 @@
 * Encodes images supports all color modes (true color, grayscale and indexed)
   and transparency for all these color modes. The best color mode will be
   chosen automatically, based on the amount of used colors.
 * R/W access to the image's pixels.
 * R/W access to all image metadata that is stored in chunks.
-* Memory efficient (uses a Fixnum, i.e. 4 bytes of memory, per pixel)
+* Memory efficient (uses a Fixnum, i.e. 4 or 8 bytes of memory per pixel, depending
+  on the hardware)
 * Reasonably fast for Ruby standards, by only using integer math and a highly
   optimized saving routine.
-* Interoperability with RMagick.
+* Interoperability with RMagick if you really have to.
 
 == Classes
 
 The main classes and modules used within ChunkyPNG are:
 